ThemodelPaulaMarcondesisdrownedinherbathtub.Thepolicedonotfindanyevidencethatthecriminalhasbrokenintheapartment;thereforetheyassumethatthekillerwouldbeanacquaintanceofthevictim.Theyfindanagenda,withnamesofpowerfulandinfluentialpersons,andchiefofpoliceDirceuNéllisassignsDetectiveSilvioAlmeidatoinvestigatethemurdercase.SilviofindsthenameofthescumJohnnyGravatinhaandJuca,thesinger,intheagendaandhebeginshisinvestigationvisitingGravatinhainhisoffice.ThecrookiswithhismistressJandiraandtellsdetailsofhisrelationshipwithPaula,buthedoesnotgivemuchattentiontothedetective.ThenhearrestsJucaandtheviolentdetectiveLucasgetshisconfessionbytheuseoftorture.Then,SilviomeetstheflightattendantPriscilla;Paula'sex-husbandLeopoldoBergson;thebankerandPaula'sex-fiancéJoséRoldão;AbdelAzisCamel;CacáSalles;andMarcosArruda.